Not true both Alexander and the Mongols tamed Afghanistan using the same basic method. Come to a village, town or city and meet resistance everybody dies. Go to the next place and repeat. Soon the natives were all to glad to cooperate. Faux ally attacks everybody dies. It was a long time before the Afghans resisted after the Greeks and Mongols moved on.
Your are correct.
I should have qualified with modern times.
True.
I used to want to see where Merv had been.
Kill all who resist, save one-who was sent on to ‘tell the tale’ about what happens to them what resists.